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Why is The light given off by an electric discharge through sodium vapor an emissions spectrum formed?
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What device produces light by running an electric current through a gas?
Electric discharge
What is a arc?
discharge: electrical conduction through a gas in an applied electric field
Where classical mechanics fails and quantum mechanics aeises?
Numerous places: 1) photo-electric effect. 2) black-body radiation spectrum. 3) spectrum of hydrogen emissions. 4) interference patterns of electrons through a slit. 5) compton scattering. All of the above can be easily explained by the existence of 'quanta,' but are impossible to explain through purely classical means.
What does the term bright line spectrum mean?
There are several kinds of spectra. Bright line spectrum, or emission spectrum, is when light emitted by a gas has an electrical discharge going through it, and it produces a spectrum of just a few isolated parallel lines.
Does lightning contain salt?
No, it does not. Lightning is an electric discharge moving through ionized gas, a.k.a. plasma.
When an electric current is passed through neon gas what does it produce?
An electric discharge through neon gas gives a reddish-orange glow which is most commonly used in advertising signs and lamps.
What is the difference between an electrical insulator and an electric discharge?
An electrical insulator is a material whose internal electric charges do not flow freely, and therefore make it nearly impossible to conduct an electric current under the influence of an electric field. This contrasts with other materials, semiconductors and conductors, which conduct electric current more easily.Electric discharge in gases occurs when electric current flows through a gaseous medium due to ionisation of the gas. Depending on several factors, the discharge may radiate visible light.
Light given off by electric discharge through sodium vapor?
The light given by sodium vapor depends on whether it is a low-pressure or high-pressure lighting system. Low pressure sodium lamps produce a yellow-green light and are less-common today, while high-pressure sodium-halogen produces an orange light. Both types of sodium lighting uses the element sodium, which is heated by a current flow until it becomes luminescent.
What type of light source produce descrete spectrum?
Any thin (low-pressure) sample of a gas with electric current flowing through it.
What process do car headlights use to emit light?
Electric Discharge- the process of emitting light because of electricity passing through a gas.
What has the author Paul Robert Timpson written?
Paul Robert Timpson has written: 'The decay of energy stored in rare cases following a discharge' -- subject(s): Collisions (Nuclear physics), Electrons, Electric discharges through gases 'The decay of energy stored in rare gases following a discharge' -- subject(s): Collisions (Nuclear physics), Physics Theses, Electrons, Electric discharges through gases
What does every element emit if it is heated by passing an electric discharge through its gas or vapor?
A specific pattern of light. This permits elements to be identified by an instrument known as a spectroscope.
